Method test_with_fallback

Lib/test/test_hmac.py:1549–1558

(self)

    @hashlib_helper.requires_hashdigest('sha256')
    def test_with_fallback(self):
        cache = getattr(hashlib, '__builtin_constructor_cache')
        try:
            cache['foo'] = hashlib.sha256
            hexdigest = hmac.digest(b'key', b'message', 'foo').hex()
            expected = ('6e9ef29b75fffc5b7abae527d58fdadb'
                        '2fe42e7219011976917343065f58ed4a')
            self.assertEqual(hexdigest, expected)
        finally:
            cache.pop('foo')

    @hashlib_helper.requires_openssl_hashdigest("md5")
    @bigmemtest(size=_4G + 5, memuse=2, dry_run=False)